""ET TROJAN MalDoc/TA427 Payload Request (GET)""

SID: 2045637

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_11, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2023_05_11

Reference:

  • md5

  • 6d6c239e3484915b6897bffb44c38e7b

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".php?na="

  • Value: ".gif"

  • Value: "User-Agent|3a 20|curl"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/.gif$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source